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Free research papers and essays on topics related to: dark matter

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  • Searching For Dark Matter, With Both Eyes Closed - 302 words
    Searching For Dark Matter, With Both Eyes Closed. NYTimes Article Category #2. Ciara Jamie Connolly 05.02.00 Submitted 05.04.00 Searching For Dark Matter, With Both Eyes Closed. In a deficit-reduction measure in 1993, the Congress killed plans already underway for building the superconducting super collider. This proved that the US was ill prepared to join their European colleagues in studying subatomic particles in the nucleus. This $10 billion machine designed to speed protons around a 54-mile track and collide them, so scientists could examine the quarks, elementary particles said to be at the heart of the nucleus. This machine is the utmost in technological advancement this century. Euro ...
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  • A Galaxy - 540 words
    A Galaxy A Galaxy: Characteristics, Contents and Types Galaxies are huge and contain billions of stars. They contain all of the stars of the Herzspring-Russell diagram, open cluster, emission, nubula, reflection nubula, nova remnants and supernova remnants. We have three different and distinct types of galaxies, which are spiral galaxies, eluptical galaxies, and last but not least irregular galaxies. The Milky Way galaxy, which is a representative of a spiral galaxy, is basically lens-shaped. Its circumference is about 120,000 light years across. On a dark summer night, we are able to see a few of the Milky Way's arm. The Milky Way, as all spiral galaxies, rotates on its axis. However, it do ...
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  • Black Holes - 1,762 words
    ... lack Holes by Table of Contents I. What are black holes? II. Where do they come from? III. Interesting facts about black holes. IV. How are they discovered? A. X-ray Emissions B. Exotic Energy Sources C. Star speeds D. Masers E. The Baseline Array F. Hubble Telescope G. Satellites V. Quasi-Stellar Relations VI. Locations A. M87 B. Milky Way C. Andromeda D. ?????? E. NGC 6240 F. A0620-00 What are black holes? Black holes are the remains of a massive star that has collapsed and shrunk to a tiny point in space. They have all of the gravity of the star concentrated into that point. Black holes are difficult to see because they cannot be seen. They cannot be seen because they are spinning fas ...
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  • Neutrinos And Gamma Rays - 863 words
    Neutrinos and Gamma Rays Emission of a beta particle produces an energy change in the nucleus of an atom. The energy change that is observed, however, does not add up to satisfy the Law of Conservation of energy. The conservation law can be balanced if another particle, called the neutrino is part of this process. In the time it takes to read just this sentence, more than a billion of them will have passed unnoticed through the reader's body. Neutrinos may account for an appreciable portion of the mass of the universe, even tending to slow it's rate of expansion. Originally proposed in 1931 by Wolfgang Pauli to account for mass that was mysteriously lost from certain nuclear reactions,and fi ...
    Related: gamma, rays, dark matter, mediterranean sea, universe
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